<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action='/change_handler/' method='post'>
		<input type='hidden' name='id' value={{bo.id}}>
		标题:<input type='text' name='title' value={{bo.title}}><br>
		内容:<input type='text' name='content' value={{bo.content}} >	<br>
		<button type='submit'>提交</button>
		</form>
</body>
</html>